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All Journal Journal of Geology and Exploration Jurnal Adijaya Multidisiplin
Adnan Firdaus
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Estimation of Laterite Nickel Resources Using Ordinary Krigging Method at PT Vale Indonesia Nuha District East Luwu South Sulawesi Province Rauf Husain, Jamal; Bakri, Hasbi; Adnan Firdaus
Journal of Geology and Exploration Vol. 2 No. 2 (2023): Journal of Geology and Exploration, December 2023
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v2i2.113

Abstract

Resources have an economic value, form, quality, quantity rate, geological characteristics, and endurance to be economically extracted. Mineral resources are grouped according to their degree of geological certainty into the categories of assumed, indicated, and measured. The research aims to assess the potential resource potential of nickel laterite and the spread of the rate of mineralization of nickel in the research area using the geostatistical method of Ordinary Kriging. The research methodology is based on conducting statistical and geostatic analysis, starting with univariate statistical analysis, spatial statistics, bivariate statistics, and resource estimates. The results of the statistical calculation using the Ordinary Kriging for limonite and saprolite zones with an average gap of 25 meters and an average depth of 20 meters with their parallel directions to the west, north-northeast, south-east, southeast, and west-southwest obtained a total volume of 119,920,468 m3 with a tonnage of 201,798,081 tons and a mean rate of nickel laterite of 1.56% Ni. Based on the results of an evaluation, it can be concluded that the number of nickel laterite deposits with a cut-off grade of 1.4% is 89,804,733 tons and the average rate is 1.83% Ni.
Pengaruh Green Compensation Dan Green Employee Involvement Terhadap Kepuasan Kerja Karyawan ISS di PT Forisa Adnan Firdaus; Jaya, Umban Adi
Jurnal Adijaya Multidisplin Vol 4 No 02 (2026): Jurnal Adijaya Multidisiplin (JAM)
Publisher : PT Naureen Digital Education

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Abstract

Penelitian ini bertujuan menganalisis pengaruh Green Compensation dan Green Employee Involvement terhadap kepuasan kerja karyawan ISS di PT Forisa. Penelitian menggunakan pendekatan kuantitatif dengan metode deskriptif dan kausal. Populasi penelitian adalah karyawan ISS di PT Forisa dengan sampel sebanyak 100 responden menggunakan teknik purposive sampling. Pengumpulan data dilakukan melalui kuesioner skala Likert. Variabel independen penelitian terdiri dari Green Compensation dan Green Employee Involvement, sedangkan variabel dependen adalah kepuasan kerja karyawan. Hasil penelitian menunjukkan bahwa Green Compensation dan Green Employee Involvement memberikan pengaruh positif terhadap kepuasan kerja karyawan. Karyawan yang memperoleh penghargaan berbasis keberlanjutan serta terlibat aktif dalam program ramah lingkungan cenderung memiliki tingkat kepuasan kerja yang lebih tinggi. Temuan penelitian menunjukkan pentingnya penerapan kebijakan keberlanjutan berbasis sumber daya manusia dalam meningkatkan kepuasan kerja dan mendukung budaya organisasi berkelanjutan.
Co-Authors Bakri, Hasbi Rauf Husain, Jamal Umban Adi Jaya